ABSTRACT: Urban expansion and the strategies of planning policies in the urban area of the city are in conflict, so disjointed as they occur without practical tools for decisionmaking on the part of public managers. The traditional model is characterized by expansive growth that promotes a more costly and less efficient city. The Hidricidade indicators focused on efficiency urban are tools for assessing the growth of cities based on their water balance. The purpose of this article is to make a comparative analysis of the application of these indicators in some medium-sized cities in order to test the method and conclusions on urban expansion strategies evaluated in each city. The results show that medium-sized cities analyzed grow unsustainably, specifying revise their expansion strategies and monitor this growth, since by its size still have reversibility conditions.
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